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Finding the Fourth Proportional to 508,209.59, 761,699.05 and 283,331.18

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Solution

The fourth proportional to 508,209.59, 761,699.05 and 283,331.18 is: 424,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,209.59 : 761,699.05 = 283,331.18 : x
  2. Step 2: Convert to fraction form
    508,209.59/761,699.05 = 283,331.18/x
  3. Step 3: Cross multiply
    508,209.59x = 761,699.05 × 283,331.18
  4. Step 4: Simplify right side
    508,209.59x = 215,813,090,641.38
  5. Step 5: Solve for x
    x = 215,813,090,641.38/508,209.59
  6. Step 6: Final answer
    x = 424,653.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.